Bromine and lactic acid. 
Quality of light. 
Time of 
exposure. 
Amount of 
bromine 
added in 
grams. 
Unchanged 
bromine. 
Volume of Solution. 
a) Sunlight 
60' 
0.06328 
0.03458 
j 
1 
( 50 c.c. yq lactic acid and 
Darkness 
60' 
Do 
0.04975 
1 10 c.c. bromine water. 
b) Sunlight 
125' 
Do 
0.01032 
( Do 
Darkness 
125' 
Do 
0.02419 
c) Diffused light 
85' 
Do 
0.02992 
j Do 
Darkness 
85' 
Do 
0.03975 
i 
d) Diffused light 
150' 
Do 
0.01038 
j Do 
Darkness 
150' 
Do 
0.02045 
Sodium lactate and bromine. 
a) Sunlight 
55' 
0. 12656 
0.04872 
1 
Darkness 
55' 
Do 
0.08532 
i 
b) Sunlight 
130' 
Do 
0.02319 
1 
Darkness 
130' 
Do 
0.04875 
( 
c) Diffused light 
60' 
Do 
0.05925 
( 
Darkness 
60' 
Do 
0.08498 
1 
d) Diffused light 
160' 
Do 
0.03012 
j 
Darkness 
160' 
Do 
0.04234 
i 
Bromine and malonic acid. 
a) Sunlight 
25' 
0.06275 
0.02125 
! 
Darkness 
25' 
Do 
0.04035 
1 
b) Sunlight 
■ 48' 
Do 
0.01238 
i 
Darkness 
48' 
Do 
0.02345 
i 
c) Diffused light 
30' 
Do 
0.02935 
j 
Darkness 
30' 
Do 
0.04005 
i 
d) Diffused light 
100' 
Do 
0.00984 
j 
Darkness 
100' 
Do 
0.01375 
i 
100 c.c Sodium lactate 
and 20 c.c. bromine 
water. 
Do 
Do 
Do 
50 c.c. jQ malonic acid 
and 10 c.c. bromine 
water. 
Do 
Do 
Do 
